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mermaid/cypress/integration/rendering/stateDiagram.spec.js

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import { imgSnapshotTest, renderGraph } from '../../helpers/util.ts';
describe('State diagram', () => {
it('should render a simple state diagrams', () => {
imgSnapshotTest(
`
stateDiagram
[*] --> State1
State1 --> [*]
`,
{ logLevel: 0, fontFamily: 'courier' }
);
cy.get('svg');
});
it('should render a long descriptions instead of id when available', () => {
imgSnapshotTest(
`
stateDiagram
[*] --> S1
state "Some long name" as S1
`,
{ logLevel: 0, fontFamily: 'courier' }
);
cy.get('svg');
});
it('should render a long descriptions with additional descriptions', () => {
imgSnapshotTest(
`
stateDiagram
[*] --> S1
state "Some long name" as S1: The description
`,
{ logLevel: 0, fontFamily: 'courier' }
);
cy.get('svg');
});
it('should render a single state with short descriptions', () => {
imgSnapshotTest(
`
stateDiagram
state "A long long name" as long1
state "A" as longlonglongid
`,
{ logLevel: 0, fontFamily: 'courier' }
);
cy.get('svg');
});
it('should render a transition descriptions with new lines', () => {
imgSnapshotTest(
`
stateDiagram
[*] --> S1
S1 --> S2: long line using<br/>should work
S1 --> S3: long line using <br>should work
S1 --> S4: long line using \\nshould work
`,
{ logLevel: 0, fontFamily: 'courier' }
);
cy.get('svg');
});
it('should render a state with a note', () => {
imgSnapshotTest(
`
stateDiagram
State1: The state with a note
note right of State1
Important information! You can write
notes.
end note
`,
{ logLevel: 0, fontFamily: 'courier' }
);
cy.get('svg');
});
it('should render a state with on the left side when so specified', () => {
imgSnapshotTest(
`
stateDiagram
State1: The state with a note with minus - and plus + in it
note left of State1
Important information! You can write
notes with . and in them.
end note
`,
{ logLevel: 0, fontFamily: 'courier' }
);
cy.get('svg');
});
it('should render a state with a note together with another state', () => {
imgSnapshotTest(
`
stateDiagram
State1: The state with a note +,-
note right of State1
Important information! You can write +,-
notes.
end note
State1 --> State2 : With +,-
note left of State2 : This is the note +,-<br/>
`,
{ logLevel: 0, fontFamily: 'courier' }
);
cy.get('svg');
});
it('should render a note with multiple lines in it', () => {
imgSnapshotTest(
`
stateDiagram
State1: The state with a note
note right of State1
Important information! You\ncan write
notes with multiple lines...
Here is another line...
And another line...
end note
`,
{ logLevel: 0, fontFamily: 'courier' }
);
});
it('should handle multiline notes with different line breaks', () => {
imgSnapshotTest(
`
stateDiagram
State1
note right of State1
Line1<br>Line2<br/>Line3<br />Line4<br />Line5
end note
`,
{ logLevel: 0, fontFamily: 'courier' }
);
});
it('should render a states with descriptions including multi-line descriptions', () => {
imgSnapshotTest(
`
stateDiagram
State1: This a a single line description
State2: This a a multi line description
State2: here comes the multi part
[*] --> State1
State1 --> State2
State2 --> [*]
`,
{ logLevel: 0, fontFamily: 'courier' }
);
cy.get('svg');
});
it('should render a simple state diagrams 2', () => {
imgSnapshotTest(
`
stateDiagram
[*] --> State1
State1 --> State2
State1 --> State3
State1 --> [*]
`,
{ logLevel: 0, fontFamily: 'courier' }
);
cy.get('svg');
});
it('should render a simple state diagrams with labels', () => {
imgSnapshotTest(
`
stateDiagram
[*] --> State1
State1 --> State2 : Transition 1
State1 --> State3 : Transition 2
State1 --> State4 : Transition 3
State1 --> State5 : Transition 4
State2 --> State3 : Transition 5
State1 --> [*]
`,
{ logLevel: 0, fontFamily: 'courier' }
);
cy.get('svg');
});
it('should render state descriptions', () => {
imgSnapshotTest(
`
stateDiagram
state "Long state description" as XState1
state "Another Long state description" as XState2
XState2 : New line
XState1 --> XState2
`,
{ logLevel: 0, fontFamily: 'courier' }
);
cy.get('svg');
});
it('should render composite states', () => {
imgSnapshotTest(
`
stateDiagram
[*] --> NotShooting: Pacifist
NotShooting --> A
NotShooting --> B
NotShooting --> C
state NotShooting {
[*] --> Idle: Yet another long long öong öong öong label
Idle --> Configuring : EvConfig
Configuring --> Idle : EvConfig EvConfig EvConfig EvConfig EvConfig
}
`,
{ logLevel: 0, fontFamily: 'courier' }
);
cy.get('svg');
});
it('should render multiple composit states', () => {
imgSnapshotTest(
`
stateDiagram
[*]-->TV
state TV {
[*] --> Off: Off to start with
On --> Off : Turn off
Off --> On : Turn on
}
TV--> Console
state Console {
[*] --> Off2: Off to start with
On2--> Off2 : Turn off
Off2 --> On2 : Turn on
On2-->Playing
state Playing {
Alive --> Dead
Dead-->Alive
}
}
`,
{ logLevel: 0, fontFamily: 'courier' }
);
});
it('should render forks in composit states', () => {
imgSnapshotTest(
`
stateDiagram
[*]-->TV
state TV {
state fork_state &lt;&lt;fork&gt;&gt;
[*] --> fork_state
fork_state --> State2
fork_state --> State3
state join_state &lt;&lt;join&gt;&gt;
State2 --> join_state
State3 --> join_state
join_state --> State4
State4 --> [*]
}
`,
{ logLevel: 0, fontFamily: 'courier' }
);
});
it('should render forks and joins', () => {
imgSnapshotTest(
`
stateDiagram
state fork_state &lt;&lt;fork&gt;&gt;
[*] --> fork_state
fork_state --> State2
fork_state --> State3
state join_state &lt;&lt;join&gt;&gt;
State2 --> join_state
State3 --> join_state
join_state --> State4
State4 --> [*]
`,
{ logLevel: 0, fontFamily: 'courier' }
);
cy.get('svg');
});
it('should render concurrency states', () => {
imgSnapshotTest(
`
stateDiagram
[*] --> Active
state Active {
[*] --> NumLockOff
NumLockOff --> NumLockOn : EvNumLockPressed
NumLockOn --> NumLockOff : EvNumLockPressed
--
[*] --> CapsLockOff
CapsLockOff --> CapsLockOn : EvCapsLockPressed
CapsLockOn --> CapsLockOff : EvCapsLockPressed
--
[*] --> ScrollLockOff
ScrollLockOff --> ScrollLockOn : EvCapsLockPressed
ScrollLockOn --> ScrollLockOff : EvCapsLockPressed
}
`,
{ logLevel: 0, fontFamily: 'courier' }
);
cy.get('svg');
});
it('should render a state with states in it', () => {
imgSnapshotTest(
`
stateDiagram
state PilotCockpit {
state Parent {
C
}
}
`,
{
logLevel: 0,
fontFamily: 'courier',
}
);
});
it('Simplest composite state', () => {
imgSnapshotTest(
`
stateDiagram
state Parent {
C
}
`,
{
logLevel: 0,
fontFamily: 'courier',
}
);
});
it('should handle multiple arrows from one node to another', () => {
imgSnapshotTest(
`
stateDiagram
a --> b: Start
a --> b: Stop
`,
{
logLevel: 0,
fontFamily: 'courier',
}
);
});
it('should render a state diagram when useMaxWidth is true (default)', () => {
renderGraph(
`
stateDiagram
[*] --> State1
State1 --> [*]
`,
{ state: { useMaxWidth: true } }
);
cy.get('svg').should((svg) => {
expect(svg).to.have.attr('width', '100%');
// expect(svg).to.have.attr('height');
// const height = parseFloat(svg.attr('height'));
// expect(height).to.be.within(176, 178);
const style = svg.attr('style');
expect(style).to.match(/^max-width: [\d.]+px;$/);
const maxWidthValue = parseFloat(style.match(/[\d.]+/g).join(''));
// use within because the absolute value can be slightly different depending on the environment ±5%
// Todo investigate difference
// expect(maxWidthValue).to.be.within(112 * .95, 112 * 1.05);
expect(maxWidthValue).to.be.within(65, 85);
});
});
it('should render a state diagram when useMaxWidth is false', () => {
renderGraph(
`
stateDiagram
[*] --> State1
State1 --> [*]
`,
{ state: { useMaxWidth: false } }
);
cy.get('svg').should((svg) => {
// const height = parseFloat(svg.attr('height'));
const width = parseFloat(svg.attr('width'));
// expect(height).to.be.within(176, 178);
// use within because the absolute value can be slightly different depending on the environment ±5%
// Todo investigate difference
// expect(width).to.be.within(112 * .95, 112 * 1.05);
expect(width).to.be.within(65, 85);
expect(svg).to.not.have.attr('style');
});
});
});
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